#include <stdio.h>

int func(int n)
{
    int sum = 0, i;
    for(i = 0; i<n; i++)
    {
        sum += i;
    }
    return sum;
}

int main()
{
    int i;
    long result = 0;
    for(i = 1; i<= 100; i++)
    {
        result += i;
    }

    printf("result[1-100] = %ld \n", result);
    printf("result[1-250] = %d \n", func(250));
}
